/*
 *   Copyright (C) 2009  Jens Kieselbach
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You may obtain a copy of the License at http://www.gnu.org/licenses/gpl.html
 */
package de.kieselbach.swing.activation

abstract class Activator {

    def components = [] as Set

    def add(def comp) {

        if(comp != null) {
            components << comp

            comp.enabled = isActive()
        }

        this
    }

    def activate() {

        def active = isActive()

        components.each() {comp ->
            comp.enabled = active
            comp.repaint()
        }

        active
    }

    // ------------------------------------------------------------

    abstract boolean isActive()
}